Winch crane



R. E. MANLEY Oct. 21, 1930.

WINGH GRANE Filed Oct. 3, '1925 2 Shaun-8mmv 2 J l l I ll rpointed out inothe claims.

Ptente Oct; 21, 1930 i ;Wim dwa a This; invent'ion'relates toV hoisting:;I'n`ech a`-'V a nis'm ingeneral' and "in particular to wre'cking outfits'ipa'iitioularly'applicable to the rais'i'ng and bringinginto 'the'garagei of a disabled The princlpal -objectjof present `irivfieprll.-

tion- ;is to? -priide a simplef afnd eflicie'nt hoistfi infg? m'ec'h lanisrnv of the'type Vdescribed whichan'v autom'oble'-mfay befpulled out -ofa "dltchf ['10 one:'wndlas'sbperating l'atV onev rateof power and laterl be raised? from' thefiground another windlass f Operating: atV vafdifferent' 'i leverage but froinlthe same fsource`- ofpower w th'sirnultaneouslu'se of both; 1'5. the' 'usual" chaln/hot* anda Cable 'winch Other obj'e'ctso'ffthe present'inventil'i llie inthus perniritt o the ;particular V'arfangier'nefnt' of specific 'lei ments o off' thecrane' -andare particularly 2.0. In the drawingsza i i W Figure lis aside elevaton. Figru'e 2 is a front elevation and Figure 3 is a cross section.

o The superstructure of the crane consistsl 25, preferably of a truss 'which includes a pair of I Channels secured together at their i lower or'rear end as by the bolt 11 and pivoted to the frame proper'as .by the king pin 12. V`The support or frameis built up of twoV trusses each formed of two sloping angle irons 15' sup-i porting at their apeXV a plate 17 secured to each a angle iron as 'by the bolts- 18 and i carrylng a 'small bracket 19 furnishing4 a bearng for.V

l V the main drive shaft'20. The angle irons of each pair are'connected at the bottom by members 22 shown as angle irons and these in' turn 'are bolted or rivetedto the transverse channels 24 whichtare intended to bel securedion the bedV 'or body of an autom-obile repair 'A02 truck solthat the lfront end of thegsuperstruc-j ture extends overthe rear edge. of the automobile bed; I i .v A central shaft 30 is mounted inbearings in' the two horizontal Vcross brackets 31 Veach vb-oltedv to the two sloping members of one of the triangular trusses forming the frame of 82a of.l a gear 32 in mesh with av pinion 84 keyedv to the main shaft 20, A chain hoist i 56 ldrurn 35l is loosely mounted on the shaft 30 be-' the hoist. 'Fast on this shaft 30 is the hubV tween the two'trusses and maybe operatiV'ely i connected to'lthe'gear32'andthereforetoltheo f sha'ftf'so by ;meansof a'lockpin-;s slidin'g freely thiru aborein-a blockzf ntegrawth i one'rliin of the drum andfinto a' socketS' in 65,*

the huba and fthispin may preferlabl'yl be Vheld'A in position'fby a `small thumbv screw 39.tv I V.AQpi'n'ioniOfis loosely mountedfonthecenitral .1 I

s'lra'ft 30 on the outsideofthe bracket lfihut" maybe lo'cked'lto the sh'aiftb'y a c'lutchfofj ay' eo' thi'is shaft both 'the Winch drum '547 'and-the,

` w ni'on tQ ing of the shaft 20 by means of the adjustablfe? of ust'the-lsarne size `lasv the lvpi .pawl sozpivod'. to fon servinginormall-ylto,holdith' -pa A111 enfgage f: ;the angle iron 15, in one position'fholdingthelpaiwl.

a .i bank at" i zpe'rh'aips az-,.considerabl;ef vdi;'stance-A' from?thesnearestfcomienient location; ofsth either' by releasingthe fpinionz-40zso as'to i slide itout foff niesh; with :the winchzgear .48, ;or 993.; 

